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- R.J DUNCAN LTD- 11177731 - Incorporated on 30 January 2018 
- C&G DUNCAN LTD- 12970681 - Incorporated on 23 October 2020 
- T J DUNCAN LTD- 13181341 - Incorporated on 5 February 2021 
- A&P DUNCAN LTD- 14045090 - Incorporated on 13 April 2022 
- ALEXANDER TALBOT LTDLiquidation- 08062126 - Incorporated on 9 May 2012 
- FARRELL TAX LTD- NI062955 - Incorporated on 1 February 2007 
- FARRELL TEC LTD- 15881182 - Incorporated on 6 August 2024 
- JIM FARRELL LTDActive - Proposal to Strike off- SC496413 - Incorporated on 30 January 2015 
- A & D DUNCAN LTDDisolved- 06238398 - Dissolved on 11 October 2022 
- DUNCAN M LTD- SC037178 - Incorporated on 18 January 1962 
- DUNCAN 1000 LTDActive - Proposal to Strike off- 08738680 - Incorporated on 18 October 2013 
- P & J DUNCAN LTDDissolved- 09292810 - Dissolved on 6 August 2019 
- DUNCAN 1500 LTD- 12193451 - Incorporated on 6 September 2019 
- FARRELLFX LTDDisolved- 13254916 - Dissolved on 16 August 2022 
- ST FARRELLY LTD- 13706289 - Incorporated on 27 October 2021 
- ITDAAS LTD- 12931534 - Incorporated on 6 October 2020 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- KHO FARRELL LTDActive - Proposal to Strike off- NI662043 - Incorporated on 5 June 2019 
- IAN FARRELL LTDDisolved- 11284217 - Dissolved on 3 September 2024